airport security, and more commuters to d.c. would save time by not sitting in traffic. an economist believes the project would entice more baltimoreans to commute to d.c. to earn more money, and that's not all. >> we're the smallest major city on the east coast, and we're also the cheapest major city on the east coast. and so by tying us more forcefully in with markets like new york and washington, d.c., philadelphia, and boston, it creates a lot of economic opportunity for business expansion in the baltimore metropolitan area. >> amtrak estimates the overhaul would cost about $9 billion a year over 10 years, including funding from the federal government. kim dacey, wbal-tv 11 news. >> thank you. the acting police commissioner is taking an indefinite medical leave of absence as the city council signs off on the new police commissioner. he will take over on thursday.